Question

The area of a rectangular concrete patio is 90 square meters. It is 9 meters wide. How long is it?

Answer 1

Area od rectangular patio= 90m^2

w=9m.

The formula to find the are of a rectangle is given by:

$A=w*l$

Substituing the values A=90 and w=9.

$\begin{gathered} 90m^2=9m*l \\ \end{gathered}$

Solvinf for l:

$\begin{gathered} \frac{90m^2}{9m}=l \\ \\ l=10m \end{gathered}$

Answer: The long of the patio is 10 meters.